html,
body {
    margin: 0;
    padding: 0;
    font-size: 16px;
    font-family: "Microsoft YaHei", Arial, Helvetica, sans-serif;
    color: #333;
}

div,
dl,
dt,
dd,
ul,
ol,
li,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
pre,
form,
fieldset,
input,
textarea,
blockquote,
th,
td,
a,
img,
i {
    margin: 0;
    padding: 0;
    font-style: normal;
    font-weight: normal;
}

p,
span {
    margin: 0;
    padding: 0;
    font-style: normal;
}

img,
input,
select,
button {
    vertical-align: middle;
    outline: none;
}

select {
    /*很关键：将默认的select选择框样式清除*/
    appearance: none;
    -moz-appearance: none;
    -webkit-appearance: none;
}

/*清除ie的默认选择框样式清除，隐藏下拉箭头*/
select::-ms-expand {
    display: none;
}

ul,
li {
    list-style-type: none;
}

img {
    border: none;
}

a {
    text-decoration: none;
    color: #333;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.clearfix {
    zoom: 1;
}

.clearfix:after {
    content: '';
    display: block;
    clear: both;
    visibility: hidden;
    height: 0;
    line-height: 0;
}

.el {
    white-space: nowrap;
    -o-text-overflow: ellipsis;
    text-overflow: ellipsis;
    overflow: hidden;
}

.scale {
    overflow: hidden;
    font-size: 0;
    letter-spacing: 0;
}

.scale img {
    -ms-transform-origin: center center;
    transform-origin: center center;
    -webkit-transform-origin: center center;
    -o-transition: all .5s;
    transition: all .5s;
    -webkit-transition: all .5s;
}

.scale img:hover {
    -ms-transform: scale(1.1);
    transform: scale(1.1);
    -webkit-transform: scale(1.1);
}

input::-webkit-input-placeholder {
    /*WebKit browsers*/
    font-size: 14px;
    color: #aaa;
}

input::-moz-input-placeholder {
    /*Mozilla Firefox*/
    font-size: 14px;
    color: #aaa;
}

input::-ms-input-placeholder {
    /*Internet Explorer*/
    font-size: 14px;
    color: #aaa;
}

*:focus {
    outline: none;
}
